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Copper is extracted from copper pyrites ...

Copper is extracted from copper pyrites ore by heating in a blast furnace. The method is based on the principal that

A

copper has more affinity for oxygen than sulphur at high temperature.

B

iron has more affinity for oxygen than copper at high temperature.

C

sulphur has less affinity for oxygen at high temperature

D

copper has less affinity for oxygen than sulphur at high temperature.

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The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-PRACTICE PAPER -1-Practice Paper 1
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